Xu Hailing is an author about whom little public information is available. Two works can currently be confirmed: The Antidote and The Jealous Man. Judging from how these two books are commonly categorized on book sites, the writing mainly falls at the intersection of foreign literature and suspenseful mystery, relying on plot momentum and psychological portrayal of characters to build reading tension. Because no reliable records exist regarding the author's nationality, life, educational background, or writing career, it is not possible here to say more about their personal trajectory or development as a writer. Based on the existing works, Xu Hailing's choice of subject matter leans toward narratives involving mystery and emotional conflict, and the titles themselves suggest an interest in the darker sides of human nature and entangled relationships. Readers who wish to learn more about this author can only start from the published works and sense the narrative rhythm and stylistic direction in the texts; a fuller picture of the author remains to be filled in by public information.